aspeed_gpio-test.c (3352B)
1 /* 2 * QTest testcase for the Aspeed GPIO Controller. 3 * 4 * Copyright (c) Meta Platforms, Inc. and affiliates. (http://www.meta.com) 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include "qemu/bitops.h" 27 #include "qemu/timer.h" 28 #include "qapi/qmp/qdict.h" 29 #include "libqtest-single.h" 30 31 #define AST2600_GPIO_BASE 0x1E780000 32 33 #define GPIO_ABCD_DATA_VALUE 0x000 34 #define GPIO_ABCD_DIRECTION 0x004 35 36 static void test_set_colocated_pins(const void *data) 37 { 38 QTestState *s = (QTestState *)data; 39 40 /* 41 * gpioV4-7 occupy bits within a single 32-bit value, so we want to make 42 * sure that modifying one doesn't affect the other. 43 */ 44 qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV4", true); 45 qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV5", false); 46 qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV6", true); 47 qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV7", false); 48 g_assert(qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV4")); 49 g_assert(!qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV5")); 50 g_assert(qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV6")); 51 g_assert(!qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV7")); 52 } 53 54 static void test_set_input_pins(const void *data) 55 { 56 QTestState *s = (QTestState *)data; 57 char name[16]; 58 uint32_t value; 59 60 qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DIRECTION, 0x00000000); 61 for (char c = 'A'; c <= 'D'; c++) { 62 for (int i = 0; i < 8; i++) { 63 sprintf(name, "gpio%c%d", c, i); 64 qtest_qom_set_bool(s, "/machine/soc/gpio", name, true); 65 } 66 } 67 value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE); 68 g_assert_cmphex(value, ==, 0xffffffff); 69 70 qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE, 0x00000000); 71 value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE); 72 g_assert_cmphex(value, ==, 0xffffffff); 73 } 74 75 int main(int argc, char **argv) 76 { 77 QTestState *s; 78 int r; 79 80 g_test_init(&argc, &argv, NULL); 81 82 s = qtest_init("-machine ast2600-evb"); 83 qtest_add_data_func("/ast2600/gpio/set_colocated_pins", s, 84 test_set_colocated_pins); 85 qtest_add_data_func("/ast2600/gpio/set_input_pins", s, test_set_input_pins); 86 r = g_test_run(); 87 qtest_quit(s); 88 89 return r; 90 }